Marine navigation device



FIG. 1 is a first perspective view of a marine navigation device according to the present invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a back elevation view thereof; and,

FIG. 7 is a bottom plan view thereof.

Those portions shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a marine navigation device, as shown and described. 